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General| Model | GREENSTAR 27CDI |
|---|---|
| GC Number | 47-406-12 |
| Category | Boiler |
| Output | 27 kW |
| Mounting | Wall Mounted |
| Fuel Type | Natural Gas |
| Domestic Hot Water Output | 27 kW |
| Efficiency Rating | A |
| ERP Rating | A |
| Dimensions (H x W x D) | 760 x 440 x 360 mm |
| Central Heating Flow Temperature Range | 30 - 80°C |
| Hot Water Flow Rate at 35°C Rise | 11.1 l/min |
| Type | Combination Boiler |
Provides contact details for Worcester Bosch technical support, service, spares, and sales.
Guidelines for safely lifting and moving the boiler unit to prevent injury or damage.
Provides a general overview of the appliance, its purpose, and standard package contents.
Essential safety measures to follow before, during, and after appliance installation and operation.
Regulatory requirements and standards that must be adhered to during installation.
Detailed specifications including heat output, pressure, gas flow rate, and electrical data for various models.
Diagrams and lists identifying all parts and their locations within the boiler assembly.
Steps for flushing and cleaning the heating system before boiler installation to ensure efficiency.
Guidance on electrical, gas, and water supply requirements and connections for the appliance.
Details on plastic pipework, system connections, valves, and requirements for sealed and open vented systems.
Instructions for installing the condensate drain pipe, including fall, material, and routing requirements.
Specifications for suitable installation locations, compartment requirements, and minimum clearances around the boiler.
Details on connecting heating, DHW, and gas pipes to the appliance's pre-plumbing manifold.
Guidelines for the correct and safe positioning of flue terminals relative to openings and building features.
Details on available flue configurations, components, and calculations for maximum flue lengths.
Instructions for safely unpacking the wall mounting plate, manifold, and other associated components.
Steps for fixing the wall mounting plate and preparing the flue opening in the wall.
Procedure for using the filling loop to fill or flush the system prior to boiler installation.
Steps for safely removing the boiler from its packaging and preparing it for installation.
Instructions for hanging the boiler and making the necessary gas, water, and heating connections.
Guidance on measuring, assembling, and fitting the flue system, including extensions and bends.
How to correctly connect the condensate drain pipe to the appliance.
Steps for making mains power, room thermostat, and timer connections to the boiler.
A wiring diagram illustrating the location and connections of internal electrical components.
Essential checks to perform before starting the boiler to ensure correct installation and safety.
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